Tool bit



FIG. 1 is a perspective view of the tool bit showing the new design, wherein the broken lines depict optional components that form no part of the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a tool bit, as shown and described. 